<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>登录页面</title> 
</head>
<body>
<form action="dologin.php" method="post">
    用户名:<input type="text" name="username" value=""/><br />
    密码:<input type="password" name="password" value="" /><br />
  <input type="submit" value="登录" />
</form>
</body>
</html>